fail with more import info

targets/stm32l432/src/app.h

@@ -31,7 +31,7 @@
 // #define DISABLE_CTAPHID_WINK
 // #define DISABLE_CTAPHID_CBOR
 
-#define ENABLE_SERIAL_PRINTING
+// #define ENABLE_SERIAL_PRINTING
 
 #if defined(SOLO_HACKER)
 #define SOLO_PRODUCT_NAME "Solo Hacker " SOLO_VERSION

tools/testing/tests/tester.py

@@ -1,5 +1,5 @@
 import time, struct
-
+from fido2.pcsc import CtapPcscDevice
 from fido2.hid import CtapHidDevice
 from fido2.client import Fido2Client
 from fido2.ctap1 import CTAP1
@@ -73,14 +73,12 @@ class Tester:
             dev = next(CtapHidDevice.list_devices(), None)
 
         if not dev:
-            try:
+            from fido2.pcsc import CtapPcscDevice
-                from fido2.pcsc import CtapPcscDevice
+
+            print("--- NFC ---")
+            print(list(CtapPcscDevice.list_devices()))
+            dev = next(CtapPcscDevice.list_devices(), None)
 
-                print("--- NFC ---")
-                print(list(CtapPcscDevice.list_devices()))
-                dev = next(CtapPcscDevice.list_devices(), None)
-            except (ModuleNotFoundError, ImportError):
-                print("One of NFC library is not installed properly.")
         if not dev:
             raise RuntimeError("No FIDO device found")
         self.dev = dev